It's also quite possible that Heston didn't change, but that the middle range of American politics shifted to the left. Supporting Dr. King in the 1960s and being anti-gun control in the 1980s doesn't necessarily mean one has changed one's mind. The fact that these two things are seen as opposites or antithetical seems suspect.

In other words, Maybe Heston was a liberal in the 60s and a conservative in the 80s, but that's because those are relative terms: maybe all the status-quo-changing that he wanted actually did take place, and then he was satisfied and thought people who continued to be liberal were demanding things he never would have wanted.

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